18640494

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{7559}}^1$

素因数の和:7704

約数の個数: 24

約数和(自身を含む): 40687920

約数和(自身を除く): 22047426

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 7559, 15118, 22677, 45354, 68031, 136062, 1035583, 2071166, 3106749, 6213498, 9320247, 18640494]

約数ペア:

[(1, 18640494), (2, 9320247), (3, 6213498), (6, 3106749), (9, 2071166), (18, 1035583), (137, 136062), (274, 68031), (411, 45354), (822, 22677), (1233, 15118), (2466, 7559)]